[Answer] 4. What is the best tool to use to measure the distance you walk daily?

Step 1 : Introduction to the question "4. What is the best tool to use to measure the distance you walk daily?"

...1. odometer 2. pedometer 3. speedometer 4. stopwatch An accurate pedometer can be of great help when start a walking program for exercise. Avoid cheap pedometers. They will either fall apart or will not be accurate. You can buy a pedometer with many special features for $70, but other models that cost only $20-25 are adequate for most walkers.

[Answer] 8. There is a right triangle PQR where:angle Q = 90 degrees;angle P = angle R.What is the measure of angles P and R?

Step 1 : Introduction to the question "8. There is a right triangle PQR where: angle Q = 90 degrees; angle P = angle R. What is the measure of angles P and R?"

...1. 65 degrees 2. 60 degrees 3. 45 degrees 4. 75 degrees In the given triangle PQR, angle Q = 90 degrees. Now let us assume: angle P = angle R = x. By the angle sum property of a triangle, the sum of the three angles of a triangle is equal to 180 degrees. => angle P + angle Q + angle R = 180 degrees => x + x + 90 degrees = 180 degrees => 2x = 90 degrees => x = 45 degrees Hence, *both angle P and angle R = 45 degrees*.

[Ans] Which scale is used to measure the intensity of a hurricane?

Step 1 : Introduction to the question "Which scale is used to measure the intensity of a hurricane?"

To be classified as a hurricane, a tropical cyclone must have maximum sustained winds of at least 74 mph (33 m/s; 64 kn; 119 km/h) (Category 1). The highest classification in the scale, Category 5, contains storms with sustained winds exceeding 156 mph (70 m/s; 136 kn; 251 km/h).

Step 2 : Answer to the question "Which scale is used to measure the intensity of a hurricane?"

The Saffir–Simpson hurricane wind scale (SSHWS), formerly the Saffir–Simpson hurricane scale (SSHS), classifies hurricanes – Western Hemisphere tropical cyclones that exceed the intensities of tropical depressions and tropical storms – into five categories distinguished by the intensities of their sustained winds.

Step 3 : Other interesting facts related to the question "Which scale is used to measure the intensity of a hurricane?"

Officially, the Saffir–Simpson hurricane wind scale is used only to describe hurricanes forming in the Atlantic Ocean and northern Pacific Ocean east of the International Date Line. Other areas use different scales to label these storms, which are called "cyclones" or "typhoons", depending on the area.

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